public ActionResult Process(HttpContextBase context, AuthenticateCallbackData model)
{
if (model.Exception != null)
throw model.Exception;
var client = model.AuthenticatedClient;
var username = client.UserInformation.UserName;
FormsAuthentication.SetAuthCookie(username, false);
context.Response.AppendCookie(new HttpCookie("AccessToken", client.AccessToken.SecretToken)
{
Secure = !context.IsDebuggingEnabled,
HttpOnly = true
});
var urlHelper = new UrlHelper(((MvcHandler)context.Handler).RequestContext);
var redirectUrl = string.Format("/{0}/", username);
var cookie = context.Request.Cookies["returnUrl"];
if (cookie != null && urlHelper.IsLocalUrl(cookie.Value))
{
redirectUrl = cookie.Value;
cookie.Expires = DateTime.Now.AddDays(-1);
context.Response.Cookies.Add(cookie);
}
return new RedirectResult(redirectUrl);
}
public static IHtmlString ReturnButton(this HtmlHelper htmlHelper)
{
var returnUrl = HttpContext.Current.Request.QueryString["returnUrl"];
var url = new UrlHelper(htmlHelper.ViewContext.RequestContext);
if (url.IsLocalUrl(returnUrl))
{
return(ReturnButton(htmlHelper, returnUrl));
}
return(ReturnButton(htmlHelper, url.Action("Index")));
}
public static string SafeRedirectUrl(UrlHelper url, string returnUrl)
{
if (!String.IsNullOrWhiteSpace(returnUrl)
&& url.IsLocalUrl(returnUrl)
&& returnUrl.Length > 1
&& returnUrl.StartsWith("/", StringComparison.Ordinal)
&& !returnUrl.StartsWith("//", StringComparison.Ordinal)
&& !returnUrl.StartsWith("/\\", StringComparison.Ordinal))
{
return returnUrl;
}
return url.Home();
}
/// <summary>
/// ResizeImage图片地址生成
/// </summary>
/// <param name="url">图片地址</param>
/// <param name="w">最大宽度</param>
/// <param name="h">最大高度</param>
/// <param name="quality">质量0~100</param>
/// <param name="image">占位图类别</param>
/// <returns>地址为空返回null</returns>
public static string ResizeImage(string url, int?w = null, int?h = null,
int?quality = null,
DummyImage?image = DummyImage.Default,
ResizerMode?mode = null,
ReszieScale?scale = null
)
{
var Url = new System.Web.Mvc.UrlHelper(HttpContext.Current.Request.RequestContext);
if (string.IsNullOrEmpty(url))
{
return(null);
}
else
{
if (Url.IsLocalUrl(url))
{
var t = new Uri(HttpContext.Current.Request.Url, Url.Content(url)).AbsoluteUri;
Dictionary <string, string> p = new Dictionary <string, string>();
if (w.HasValue)
{
p.Add("w", w.ToString());
}
if (h.HasValue)
{
p.Add("h", h.ToString());
}
if (scale.HasValue)
{
p.Add("scale", scale.Value.ToString());
}
if (quality.HasValue)
{
p.Add("quality", quality.ToString());
}
if (image.HasValue)
{
p.Add("404", image.ToString());
}
if (mode.HasValue)
{
p.Add("mode", mode.ToString());
}
return(t + p.ToParam("?"));
}
else if (url.Contains(QinQiuApi.ServerLink))
{
var fileType = System.IO.Path.GetExtension(url);
StringBuilder sbUrl = new StringBuilder(url);
if (fileType == ".mp4")
{
sbUrl.Append("?vframe/jpg/offset/1");
if (w.HasValue)
{
sbUrl.Append($"/w/{w}");
}
if (h.HasValue)
{
sbUrl.Append($"/h/{h}");
}
return(sbUrl.ToString());
}
else
{
sbUrl.Append("?imageView2");
switch (mode)
{
case ResizerMode.Pad:
default:
case ResizerMode.Crop:
sbUrl.Append("/1");
break;
case ResizerMode.Max:
sbUrl.Append("/0");
break;
}
if (w.HasValue)
{
sbUrl.Append($"/w/{w}");
}
if (h.HasValue)
{
sbUrl.Append($"/h/{h}");
}
quality = quality ?? 100;
sbUrl.Append($"/q/{quality}");
return(sbUrl.ToString());
}
}
else
{
return(url);
}
}
}
///////////////////////////////////////////////////////////////////////
public static void redirect(HttpRequest Request, HttpResponse Response)
{
// redirect to the page the user was going to or start off with bugs.aspx
string url = Request.QueryString["url"];
string qs = Request.QueryString["qs"];
UrlHelper urlHelper = new UrlHelper(Request.RequestContext);
if (String.IsNullOrEmpty(url) || !urlHelper.IsLocalUrl(url))
{
string mobile = Request["mobile"];
if (String.IsNullOrEmpty(mobile))
{
Response.Redirect("bugs.aspx");
}
else {
Response.Redirect("mbugs.aspx");
}
}
else
{
Response.Redirect(remove_line_breaks(url) + "?" + remove_line_breaks(HttpUtility.UrlDecode(qs)));
}
}
public bool IsSafe(string url)
{
UrlHelper helper = new UrlHelper(context);
return helper.IsLocalUrl(url) && url.Length > 1 && url.StartsWith("/") && !url.StartsWith("//") && !url.StartsWith("/\\");
}
